The term ‘Polymerase Chain Reaction’ is often mentioned in news in the

by

The term ‘Polymerase Chain Reaction’ is often mentioned in news in the context of

alternate sources of energy
production of safe plastics
developing hypersonic missiles
diagnosis of infectious diseases
This question was previously asked in
UPSC Geoscientist – 2022
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The correct answer is (D) diagnosis of infectious diseases.
Polymerase Chain Reaction (PCR) is a laboratory technique used to amplify or make many copies of specific DNA sequences. This allows for the detection of even tiny amounts of genetic material from pathogens.
PCR is a fundamental tool in molecular biology and is widely used in various fields, including genetic research, forensics, and particularly in the diagnosis of infectious diseases like COVID-19, HIV, influenza, and many bacterial or viral infections by detecting the presence of the pathogen’s genetic material.

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